870556036 has 24 divisors (see below), whose sum is σ = 1748597760. Its totient is φ = 371491392.

The previous prime is 870556007. The next prime is 870556039. The reversal of 870556036 is 630655078.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 870556036.

It is not an unprimeable number, because it can be changed into a prime (870556039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60196 + ... + 73243.

It is an arithmetic number, because the mean of its divisors is an integer number (72858240).

Almost surely, 2^870556036 is an apocalyptic number.

It is an amenable number.

870556036 is an abundant number, since it is smaller than the sum of its proper divisors (878041724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870556036 is a wasteful number, since it uses less digits than its factorization.

870556036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133683 (or 133681 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 870556036 is about 29505.1865949023. The cubic root of 870556036 is about 954.8436047723.

The spelling of 870556036 in words is "eight hundred seventy million, five hundred fifty-six thousand, thirty-six".